Hissing Sounds When HVAC Runs
It appears that my HVAC is making a hissing sound. It also feels like there cold air leaking from one of the vents from the main into that leads into a room in the house. The sounds stop when the HVAC stops running.
What does this sounds like?
What can I do to find where exactly this sound is coming from?
If there’s a tear or leak, what can I do to fix the issue?